On Tue, Mar 10, 2020 at 10:12:29AM +0100, Joerg Roedel wrote:
> From: Joerg Roedel <[email protected]>
> 
> Move the pointer for iommu private data from struct iommu_fwspec to
> struct dev_iommu.
> 
> Tested-by: Will Deacon <[email protected]> # arm-smmu
> Signed-off-by: Joerg Roedel <[email protected]>

Reviewed-by: Jean-Philippe Brucker <[email protected]>

> ---
>  include/linux/iommu.h | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/include/linux/iommu.h b/include/linux/iommu.h
> index 056900e75758..8c4d45fce042 100644
> --- a/include/linux/iommu.h
> +++ b/include/linux/iommu.h
> @@ -369,6 +369,7 @@ struct iommu_fault_param {
>   *
>   * @fault_param: IOMMU detected device fault reporting data
>   * @fwspec:   IOMMU fwspec data
> + * @priv:     IOMMU Driver private data
>   *
>   * TODO: migrate other per device data pointers under iommu_dev_data, e.g.
>   *   struct iommu_group      *iommu_group;
> @@ -377,6 +378,7 @@ struct dev_iommu {
>       struct mutex lock;
>       struct iommu_fault_param        *fault_param;
>       struct iommu_fwspec             *fwspec;
> +     void                            *priv;
>  };
>  
>  int  iommu_device_register(struct iommu_device *iommu);
> @@ -589,7 +591,6 @@ struct iommu_group *fsl_mc_device_group(struct device 
> *dev);
>  struct iommu_fwspec {
>       const struct iommu_ops  *ops;
>       struct fwnode_handle    *iommu_fwnode;
> -     void                    *iommu_priv;
>       u32                     flags;
>       u32                     num_pasid_bits;
>       unsigned int            num_ids;
> @@ -629,12 +630,12 @@ static inline void dev_iommu_fwspec_set(struct device 
> *dev,
>  
>  static inline void *dev_iommu_priv_get(struct device *dev)
>  {
> -     return dev->iommu->fwspec->iommu_priv;
> +     return dev->iommu->priv;
>  }
>  
>  static inline void dev_iommu_priv_set(struct device *dev, void *priv)
>  {
> -     dev->iommu->fwspec->iommu_priv = priv;
> +     dev->iommu->priv = priv;
>  }
>  
>  int iommu_probe_device(struct device *dev);
> -- 
> 2.17.1
> 
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